Home / 219,860,219.20-329,790,328.80-76,253,051.20

Finding the Fourth Proportional to 219,860,219.20, 329,790,328.80 and 76,253,051.20

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Solution

The fourth proportional to 219,860,219.20, 329,790,328.80 and 76,253,051.20 is: 114,379,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,860,219.20 : 329,790,328.80 = 76,253,051.20 : x
  2. Step 2: Convert to fraction form
    219,860,219.20/329,790,328.80 = 76,253,051.20/x
  3. Step 3: Cross multiply
    219,860,219.20x = 329,790,328.80 × 76,253,051.20
  4. Step 4: Simplify right side
    219,860,219.20x = 25,147,518,827,251,236
  5. Step 5: Solve for x
    x = 25,147,518,827,251,236/219,860,219.20
  6. Step 6: Final answer
    x = 114,379,576.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.